Steel bar bending tester

The utility model relates to a steel bar bending tester. The device comprises a machine body, a turntable rotationally assembled on the machine body and a driving motor for driving the turntable to rotate, a central pin shaft hole is formed in the center of the turntable; a central pin shaft is inserted into the central pin shaft hole; a plurality of bending pin shaft holes are formed in the turntable; the bending pin shaft holes and the central pin shaft holes are arranged at intervals; a bending pin shaft is inserted into the bending pin shaft hole; a storage chamber is arranged in the machine body, an opening and closing door for closing the storage chamber is movably arranged on the machine body, a plurality of partition plates are arranged in the storage chamber at intervals, an installation base is arranged on each partition plate, the installation bases are matched with the center pin shaft and the bending pin shaft in diameter, and the center pin shaft and the bending pin shaftare detachably assembled